function Security() {
	// Private properties
	var _roles = [];
	
	// Define our getters and setters
	this.addProperties( {
		roles : {
			get : function() {
				return _roles;
			},
			set : function(val) {
				_roles = val;
				this.Notify(val, "roles");
			}
		}
	});
}

Security.prototype = new Subject();